Dont answer if your not 100% sure its correct which of the following is used as evidence in supporting the idea that life changes over time? a) the big bang theory b) the existence of homologous structures c) the similarity in body systems such as nervous and circulatory system d) time period in which the embryo develops

It’s the Big Bang theory

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )